diff --git a/zuul/merger/merger.py b/zuul/merger/merger.py
index 359b3ad..52cbc33 100644
--- a/zuul/merger/merger.py
+++ b/zuul/merger/merger.py
@@ -58,6 +58,9 @@
         repo.config_writer().write()
         self._initialized = True
 
+    def isInitialized(self):
+        return self._initialized
+
     def createRepoObject(self):
         try:
             self._ensure_cloned()